The 13B2 is as versatile as the 17B2 is specialized. 13B2 will be your choice for high performance across the entire 2 Meter band. New and experienced hams will enjoy 15.8 dBi gain on FM, packet, CW, or sideband accross the 4 MHz operating range. The 13B2 is easily mounted vertical or horizontally for maximum performance on your favorite mode. Its optimum boom length makes it a popular antenna that fits just about anywhere.The new UltraMatch balance feed on the 13B2 provides a 50 Ohm match via a standard SO-239 UHF female connector. Model 13B2 has an N connector.